We met at a dinner in Warrenton's Red, Hot, and Blue a few months ago and I can easily see where someone might mistake you for an off duty LEO or agent of some kind. In my opinion, you and your wife conducted yourselves completely above reproach so I would be surprised at any negative encounters you might have, excepting those from the near-lunitic fringe of the anti types.
I have had a few Marylanders gawk at me; two in an SUV at a gas station around two years ago. But then again, I don't expect much from Marylanders in the form of honoring the Constitution and the Bill of Rights.
I have only had one negative experience and that one happened last year at the McDonald's in Haymarket one Saturday morning. And the mayor was there to hear and see it, though see wasn't really aware of what the fuss was all about. She didn't seem to be put off when standing next to my strong side and seeing my little friend (she knows me and has seen me armed once before). The offending party was not an LEO, though he claimed to be a retired LEO. If this was true, he is certainly a poor example of one. I had absolutely zero respect for LEO's, retired or active, who do not fully and completely act in concert with their oath.. which includes the Constitution.
I suspect that one of the reasons we don't seem to run into problems with the public when OC'ing here in our state is the fact that for native Virginians, owning and carrying firearms is part of our culture and heritage. Newcomers to our state seem to put aside their feelings about this for the most part (at least openly) and go with the flow. Virginia has a reputation of gun-leniency and gun-friendliness and transplants appear to be learning this. At least that's my hope and perception. Not all, mind you, but I would bet many fall into that order. They see other Virginians going about their business, paying little or no mind to an armed citizen, so they chose rather than being an exception, to just keep their mouths shut and their opinions to themselves and so as the rest do.
So to your "OC friendly vs OC indifferent", I would say both with perhaps the slant in the OC different column.